Model: 512-104-028

Spur Antibacklash Gear

Properties:

Attachment Method
Clamp
Pitch Diameter
1.0000 inches
Teeth Quantity
120
Bore Style
Plain both ends
Outside Diameter
1.016 inches
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
0.255 inches first end
Face Width
0.057 inches
Bore Diameter
0.187 inches both ends
Hub Diameter
0.312 inches first end
Material
Steel comp 303
Material Specification
Qq-s-763 federal specification single material response
Surface Treatment
Passivate
Style Designator
Protruding hub
Furnished Items And Quantity
1 retaining ring and 1 spring
NSN
3020-00-884-5983
Part Number
512-104-028
Description
Gear,antibacklash,spur
CAGE
07421

An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.

Part 512-104-028 NSN 3020-00-884-5983

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
26668
FIIG:
A27300
Concept No.:
App. Key:
AC
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8483409000
  • SITC: 74840
  • End Use: Industrial machines, other
  • NAICS: 333612
  • USDA: 1

Freight Class: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately

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